ABelliqueux/nolibgs_hello_worlds
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Ovl example now works on real hw

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This commit is contained in:
ABelliqueux 2021-11-11 16:32:31 +01:00
parent 3ddba887eb
commit 62dc760f33
6 changed files with 79 additions and 35 deletions
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7
hello_ovl_exec/common.h
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@ -6,10 +6,12 @@
#include <libetc.h>
#include <libgpu.h>
#include <libapi.h>
#include <libcd.h>
#include <malloc.h>
#include <kernel.h>
// CD library
#include <libcd.h>
#include "../thirdparty/nugget/common/syscalls/syscalls.h"
#define printf ramsyscall_printf
#define setRGB(p, r0, g0, b0) \
(p)->r = r0, (p)->g = g0, (p)->b = b0
@ -30,6 +32,7 @@ extern char primbuff[2][32768];
extern char *nextpri;
extern u_long ot[2][OTLEN];
extern uint8_t db;
extern uint8_t useOT;
extern CVECTOR BGcolor;
enum OverlayNumber {

77
hello_ovl_exec/hello_ovl_exec.c
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@ -10,7 +10,7 @@ char primbuff[2][32768]; // double primitive buffer of length 32768 * 8 =
u_long ot[2][OTLEN];
char *nextpri = primbuff[0];
uint8_t db = 0;
CVECTOR BGcolor = { 0, 150, 255 };
CVECTOR BGcolor, MScolor = { 224, 108, 76 };
extern u_long load_all_overlays_here;
@ -18,6 +18,7 @@ typedef struct Overlay {
char filename[0x7c];
int (*main)();
char commandline[0x180];
CVECTOR BGcolor;
} Overlay;
int ovl_main_hello();
@ -25,20 +26,24 @@ int ovl_main_tile();
int ovl_main_poly();
Overlay g_chainload[] = {
{"\\HELLO.OVL;1", ovl_main_hello, ""},
{"\\TILE.OVL;1", ovl_main_tile, ""},
{"\\POLY.OVL;1", ovl_main_poly, ""},
//~ { "\\POLY.OVL;1" , 0 },
{"\\HELLO.OVL;1", ovl_main_hello, "", { 225, 220, 40 }},
{"\\TILE.OVL;1", ovl_main_tile, "", { 150, 30 , 40 }},
{"\\POLY.OVL;1", ovl_main_poly, "", { 60 , 127, 0 }},
};
enum OverlayNumber next_overlay = MOTHERSHIP;
enum OverlayNumber prev_overlay = MOTHERSHIP;
int main(void);
int loadOverlayAndStart(Overlay *);
void EmptyOTag(u_long ot[2][OTLEN], char primbuff[2][32768], char * nextpri );
int loadOverlayAndStart(Overlay * overlay);
void EmptyOTag(u_long ot[2][OTLEN]);
void EmptyPrimBuf(char primbuff[2][32768], char ** nextpri);
void preInitOvl(Overlay * overlay);
void postInitOvl(Overlay * overlay);
void clearVRAM(void);
void (*dispp) (void);
uint8_t useOT = 0;
int CDreadOK = 0;
void init(void)
@ -72,11 +77,39 @@ void display(void)
VSync(0); // Wait for the next vertical blank
PutDispEnv(&disp[db]); // set alternate disp and draw environnments
PutDrawEnv(&draw[db]);
DrawOTag(&ot[db][OTLEN - 1]);
if (useOT)
{
DrawOTag(&ot[db][OTLEN - 1]);
}
db = !db; // flip db value (0 or 1)
nextpri = primbuff[db];
}
void clearVRAM(void)
{
RECT vram = {0,0,1024,512};
ClearImage(&vram,0,0,0);
}
void preInitOvl(Overlay * overlay)
{
//~ clearVRAM();
ResetCallback();
ResetGraph(3);
EmptyPrimBuf(primbuff, &nextpri);
EmptyOTag(&ot[db]);
setRGB(&BGcolor, overlay->BGcolor.r, overlay->BGcolor.g, overlay->BGcolor.b );
}
void postInitOvl(Overlay * overlay)
{
//~ clearVRAM();
//~ ResetGraph(3);
EmptyPrimBuf(primbuff, &nextpri);
EmptyOTag(&ot[db]);
setRGB(&BGcolor, MScolor.r, MScolor.g, MScolor.b);
setRGB0(&draw[0], BGcolor.r, BGcolor.g, BGcolor.b); // set color for first draw area
setRGB0(&draw[1], BGcolor.r, BGcolor.g, BGcolor.b);
FntLoad(960, 0); // Load font to vram at 960,0(+128)
FntOpen(MARGINX, SCREENYRES - MARGINY - FONTSIZE, SCREENXRES - MARGINX * 2, FONTSIZE, 0, 280 ); // FntOpen(x, y, width, height, black_bg, max. nbr. chars
}
int loadOverlayAndStart(Overlay * overlay)
{
int CDreadResult = 0;
@ -88,35 +121,41 @@ int loadOverlayAndStart(Overlay * overlay)
// If file loaded sucessfully
if (CDreadResult)
{
//~ StopCallback();
ResetGraph(3);
// Execute
// Pre OVL
preInitOvl(overlay);
// Exec OVL
next_ovl = overlay->main();
EmptyOTag(&ot[db], &primbuff[db], nextpri);
setRGB(&BGcolor, 0, 150, 255);
init();
// Post OVL
postInitOvl(overlay);
}
return next_ovl;
}
void EmptyOTag(u_long ot[2][OTLEN], char primbuff[2][32768], char * nextpri )
void EmptyPrimBuf(char primbuff[2][32768], char ** nextpri)
{
for(uint16_t p; p < 32768; p++)
{
primbuff[0][p] = 0;
primbuff[1][p] = 0;
}
*nextpri = primbuff[0];
}
void EmptyOTag(u_long ot[2][OTLEN])
{
for (uint16_t p; p < OTLEN; p++)
{
ot[0][p] = 0;
ot[1][p] = 0;
}
nextpri = primbuff[!db];
}
int main(void)
{
int t = 0;
setRGB(&BGcolor, MScolor.r, MScolor.g, MScolor.b);
// init() display
init();
// Init CD system
CdInit();
prev_overlay = next_overlay;
while(1){
if (t == 100){

1
hello_ovl_exec/hello_ovl_world/hello_ovl_world.c
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@ -2,7 +2,6 @@
int ovl_main_hello(void)
{
setRGB(&BGcolor, 0, 255, 100);
init();
int i = 0;
while(1)

9
hello_ovl_exec/hello_poly/hello_ovl_poly.c
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@ -1,8 +1,11 @@
#include "../common.h"
int ovl_main_poly(void)
{
setRGB(&BGcolor, 250, 0, 250);
#ifndef STANDALONE
useOT = 1;
#endif
init();
uint16_t timer = 0;
uint16_t timeout = 100;
@ -59,14 +62,16 @@ int ovl_main_poly(void)
timer++;
FntPrint("Hello Poly ! %d", timer);
FntFlush(-1);
#ifndef STANDALONE
if (timer == timeout){
useOT = 0;
next_overlay = MOTHERSHIP;
break;
}
#endif
FntFlush(-1);
display();
}
return next_overlay;
};

3
hello_ovl_exec/hello_poly/hello_poly.ld
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@ -1,3 +0,0 @@
TLOAD_ADDR = 0x8001E8480;
__heap_base = 0x8001E8480;

17
hello_ovl_exec/hello_tile/hello_ovl_tile.c
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@ -2,14 +2,16 @@
int ovl_main_tile(void)
{
setRGB(&BGcolor, 150, 0, 50);
init();
#ifndef STANDALONE
useOT = 1;
#endif
uint16_t timer = 0;
uint16_t timeout = 100;
TILE * blue_tile;
TILE * pink_tile;
TILE * blue_tile = 0;
TILE * pink_tile = 0;
// This one is added at a different OT index
TILE * yellow_tile;
TILE * yellow_tile = 0;
init();
while(1)
{
// Initialize the reversed ordering table. This means the elements at index OTLEN - 1 is drawn first.
@ -54,15 +56,14 @@ int ovl_main_tile(void)
timer ++;
FntPrint("Hello tile ! %d\n", timer);
FntFlush(-1);
#ifndef STANDALONE
if (timer == timeout){
useOT = 0;
next_overlay = OVERLAY_POLY;
// Empty ordering table
//~ EmptyOTag(&ot[db], &primbuff[db], nextpri);
break;
}
#endif
FntFlush(-1);
display();
}
return next_overlay;